// Magic Software, Inc.
// http://www.magic-software.com
// Copyright (c) 2000, All Rights Reserved
//
// Source code from Magic Software is supplied under the terms of a license
// agreement and may not be copied or disclosed except in accordance with the
// terms of that agreement.  The various license agreements may be found at
// the Magic Software web site.  This file is subject to the license
//
// RESTRICTED USE SOURCE CODE
// http://www.magic-software.com/License/restricted.pdf

#ifndef MGCZBUFFERSTATE_H
#define MGCZBUFFERSTATE_H

#include "MgcRenderState.h"
MgcSmartPointer(MgcZBufferState);


class MgcZBufferState : public MgcRenderState
{
    MgcDeclareDefaultState(MgcZBufferState);
    MgcDeclareRTTI;
    MgcDeclareStream;

public:
    MgcZBufferState ();
    virtual Type GetType () const;


    bool& Enabled ();
    bool& Writeable ();

    enum CompareFunction
    {
        CF_NEVER,
        CF_LESS,
        CF_EQUAL,
        CF_LEQUAL,
        CF_GREATER,
        CF_NOTEQUAL,
        CF_GEQUAL,
        CF_ALWAYS,
        CF_QUANTITY
    };

    CompareFunction& Compare ();

protected:
    bool m_bEnabled, m_bWriteable;
    CompareFunction m_eCompare;
};

MgcRegisterStream(MgcZBufferState);
#include "MgcZBufferState.inl"

#endif
